- All sections
- B - Performing operationstransporting
- B22F - Working metallic powdermanufacture of articles from metallic powdermaking metallic powderapparatus or devices specially adapted for metallic powder
- B22F 3/26 - Impregnating
Patent holdings for IPC class B22F 3/26
Total number of patents in this class: 241
10-year publication summary
|
28
|
25
|
22
|
15
|
15
|
16
|
12
|
12
|
7
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meidensha Corporation | 929 |
15 |
| NTN Corporation | 4934 |
6 |
| Desktop Metal, Inc. | 267 |
6 |
| Mitsubishi Electric Corporation | 47683 |
5 |
| Henkel AG & Co. KGaA | 10702 |
5 |
| Halliburton Energy Services, Inc. | 21242 |
4 |
| LG Chem, Ltd. | 17867 |
4 |
| Honeywell International Inc. | 12790 |
4 |
| JFE Precision Corporation | 12 |
4 |
| Advanced Composite Corporation | 14 |
4 |
| Proterial, Ltd. | 928 |
4 |
| Canon Inc. | 42505 |
3 |
| Sumitomo Electric Industries, Ltd. | 16145 |
3 |
| Nichia Corporation | 3838 |
3 |
| Ablestik (Shanghai) Ltd. | 60 |
3 |
| Denka Company Limited | 2703 |
3 |
| F.a.r.-fonderie Acciaierie Roiale - SpA | 14 |
3 |
| Materion Corporation | 320 |
3 |
| Taiyo Yuden Co., Ltd. | 2019 |
3 |
| General Electric Company | 13816 |
2 |
| Other owners | 154 |